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1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6551195115

Certificate GIA 6551195115

Diamond specifications and retailer prices

From HK$44,294 HKD
As of November 4, 2026
Save HK$49,480 HKD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$93,774 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551195115. Listed at 17 retailers as of November 4, 2026, with prices from HK$44,294 to HK$93,774, a HK$49,480 spread on the same certified stone. NZ Jewellers lists it at HK$93,774. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551195115
Dimensions7.27 × 7.32 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.27 mm7.32 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551195115
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$93,774 HKD|Low: HK$42,976 HKD|High: HK$93,774 HKD|Avg: HK$60,437 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 13HK$44,294 HKD
Retailer 12HK$46,883 HKD
Retailer 3HK$50,790 HKD
Retailer 14HK$50,790 HKD
Retailer 15HK$50,790 HKD
Retailer 2HK$52,884 HKD
Retailer 4HK$56,485 HKD
Retailer 5HK$56,485 HKD
Retailer 9HK$57,623 HKD
Retailer 6HK$58,368 HKD
Retailer 16HK$58,604 HKD
Retailer 7HK$61,797 HKD
Retailer 8HK$66,841 HKD
Retailer 11HK$81,284 HKD
Retailer 10HK$82,375 HKD
NZ JewellersHK$93,774 HKD

40 data points across 16 retailers

17 retailersHK$44,294 HKD to HK$93,774 HKD

B+
Cheapest Retailer
-
HK$44,294 HKD
B+
Retailer 2
-
HK$46,012 HKD
View
B+
Retailer 3
-
HK$46,883 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$50,790 HKD
View
Retailer 5
-
HK$50,790 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$50,790 HKD
View
B+
Retailer 7
-
HK$51,731 HKD
View
B+
Retailer 8
-
HK$52,884 HKD
View
B
Retailer 9
-
HK$56,485 HKD
View
B
Retailer 10
-
HK$56,485 HKD
View
B+
Retailer 11
-
HK$57,623 HKD
View
B
Retailer 12
-
HK$58,368 HKD
View
B
Retailer 13
-
HK$58,604 HKD
View
Retailer 14
-
HK$61,797 HKD
View
Price last confirmed 14 days ago
B
Retailer 15
-
HK$81,284 HKD
View
B
Retailer 16
-
HK$82,375 HKD
View
Most Expensive
B
NZ Jewellers
112a2b8c-ffcb-4595-b717-688310880cd5 · Nov 5
HK$93,774 HKD
$11,953 USD
View
16 more retailers have this diamond
Prices start from HK$44,294 HKDSave up to HK$49,480 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.51ct Round
HK$44,294 HKD